[gtk+] mir: fix time conversion macro

[William Hua <williamhua src gnome org>]

commit 7c2e3a812a02b9b578f895b4e4742b12b40f885b
Author: William Hua <william attente ca>
Date:   Tue Dec 2 11:12:11 2014 -0500

    mir: fix time conversion macro

 gdk/mir/gdkmireventsource.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/mir/gdkmireventsource.c b/gdk/mir/gdkmireventsource.c
index 9e317bc..d2e3f2e 100644
--- a/gdk/mir/gdkmireventsource.c
+++ b/gdk/mir/gdkmireventsource.c
@@ -22,7 +22,7 @@
 #include "gdkmir.h"
 #include "gdkmir-private.h"
 
-#define NANO_TO_MILLI(x) (x / 1000000)
+#define NANO_TO_MILLI(x) ((x) / 1000000)
 
 struct _GdkMirWindowReference {
   GdkMirEventSource *source;